zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/app/busybox/src/scripts/gen_build_files.sh b/ap/app/busybox/src/scripts/gen_build_files.sh
new file mode 100755
index 0000000..0989b2f
--- /dev/null
+++ b/ap/app/busybox/src/scripts/gen_build_files.sh
@@ -0,0 +1,92 @@
+#!/bin/sh
+
+# Note: was using sed OPTS CMD -- FILES
+# but users complain that many sed implementations
+# are misinterpreting --.
+
+test $# -ge 2 || { echo "Syntax: $0 SRCTREE OBJTREE"; exit 1; }
+
+# cd to objtree
+cd -- "$2" || { echo "Syntax: $0 SRCTREE OBJTREE"; exit 1; }
+# In separate objtree build, include/ might not exist yet
+mkdir include 2>/dev/null
+
+srctree="$1"
+
+status() { printf ' %-8s%s\n' "$1" "$2"; }
+gen() { status "GEN" "$@"; }
+chk() { status "CHK" "$@"; }
+
+generate()
+{
+ # NB: data to be inserted at INSERT line is coming on stdin
+ local src="$1" dst="$2" header="$3"
+ #chk "${dst}"
+ {
+ # Need to use printf: different shells have inconsistent
+ # rules re handling of "\n" in echo params.
+ printf "%s\n" "${header}"
+ # print everything up to INSERT line
+ sed -n '/^INSERT$/ q; p' "${src}"
+ # copy stdin to stdout
+ cat
+ # print everything after INSERT line
+ sed -n '/^INSERT$/ { :l; n; p; bl }' "${src}"
+ } >"${dst}.tmp"
+ if ! cmp -s "${dst}" "${dst}.tmp"; then
+ gen "${dst}"
+ mv "${dst}.tmp" "${dst}"
+ else
+ rm -f "${dst}.tmp"
+ fi
+}
+
+# (Re)generate include/applets.h
+sed -n 's@^//applet:@@p' "$srctree"/*/*.c "$srctree"/*/*/*.c \
+| generate \
+ "$srctree/include/applets.src.h" \
+ "include/applets.h" \
+ "/* DO NOT EDIT. This file is generated from applets.src.h */"
+
+# (Re)generate include/usage.h
+# We add line continuation backslash after each line,
+# and insert empty line before each line which doesn't start
+# with space or tab
+sed -n -e 's@^//usage:\([ \t].*\)$@\1 \\@p' -e 's@^//usage:\([^ \t].*\)$@\n\1 \\@p' \
+ "$srctree"/*/*.c "$srctree"/*/*/*.c \
+| generate \
+ "$srctree/include/usage.src.h" \
+ "include/usage.h" \
+ "/* DO NOT EDIT. This file is generated from usage.src.h */"
+
+# (Re)generate */Kbuild and */Config.in
+# We skip .dotdirs - makes git/svn/etc users happier
+{ cd -- "$srctree" && find . -type d -not '(' -name '.?*' -prune ')'; } \
+| while read -r d; do
+ d="${d#./}"
+
+ src="$srctree/$d/Kbuild.src"
+ dst="$d/Kbuild"
+ if test -f "$src"; then
+ mkdir -p -- "$d" 2>/dev/null
+
+ sed -n 's@^//kbuild:@@p' "$srctree/$d"/*.c \
+ | generate \
+ "${src}" "${dst}" \
+ "# DO NOT EDIT. This file is generated from Kbuild.src"
+ fi
+
+ src="$srctree/$d/Config.src"
+ dst="$d/Config.in"
+ if test -f "$src"; then
+ mkdir -p -- "$d" 2>/dev/null
+
+ sed -n 's@^//config:@@p' "$srctree/$d"/*.c \
+ | generate \
+ "${src}" "${dst}" \
+ "# DO NOT EDIT. This file is generated from Config.src"
+ fi
+done
+
+# Last read failed. This is normal. Don't exit with its error code:
+exit 0